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#
# Licensed to the Apache Software Foundation (ASF) under one
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# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
# 
#   http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing,
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args <- commandArgs(TRUE)
options(digits=22)
library("Matrix")


nr = as.integer(args[1]);
xr = as.integer(args[2]);
NaNval = 0/0;

R = matrix(0, nr, nr); 
R[1:xr,] = matrix(NaNval, xr, nr);

for( i in 1:nr )
{
   R[i,i] = i^2 + 7;           
}   

writeMM(as(R, "CsparseMatrix"), paste(args[3], "R", sep=""));
